The Metro transit police, along with the county and municipal police departments in Prince George’s, have announced plans for what Metro calls “a major, high-visibility crime prevention and anti-terrorism event” at 15 stations during the afternoon rush.

This will involve more than 100 officers from the various departments, so expect to see a heavy police presence in the stations and on trains in the county from 4 to 7 p.m.

Read more on Dr. Gridlock — and tell us: Are you seeing signs of the Metro sweep? Post a comment below and upload your photos here.